Re: Scripting question

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On Saturday 12 July 2003 05:34, Alan Peery wrote:
> cat file | grep -v  ^\$
>
> This will keep only those lines NOT matching "^\$", a line where there
> is nothing between the logical beginning and end of the line.  If you
> want to find lines that only have the letter q on them,
>
> cat fred | grep ^q\$

Useless cat of the day award!

grep ^q\$ fred
grep -v ^\$ file

No need to use cat.

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